package com.bang.study.day02.map;

/**
 * @Auther: Bang
 * @Date: 2019/9/13 22:42
 * @Description:
 */
public interface Map<K,V> {

   void add(K key,V value);

   void set(K key,V newValue);

    V remove(K key);

    V get(K key);

    int getSize();

    boolean contains(K key);

    boolean isEmpty();


}
